Home / 1,676,143-2,313,032.98-912,180.20

Finding the Fourth Proportional to 1,676,143, 2,313,032.98 and 912,180.20

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Solution

The fourth proportional to 1,676,143, 2,313,032.98 and 912,180.20 is: 1,258,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,143 : 2,313,032.98 = 912,180.20 : x
  2. Step 2: Convert to fraction form
    1,676,143/2,313,032.98 = 912,180.20/x
  3. Step 3: Cross multiply
    1,676,143x = 2,313,032.98 × 912,180.20
  4. Step 4: Simplify right side
    1,676,143x = 2,109,902,886,303.00
  5. Step 5: Solve for x
    x = 2,109,902,886,303.00/1,676,143
  6. Step 6: Final answer
    x = 1,258,784.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.